. >>> president obama heading to south africa for nelson mandela's funeral. how the service will serve as a rare union for other elite americans. >>> newschopper2 has just arrived. we're looking at lanes of the crash on highway 4 being cleaned up, live as we speak. you can see. the damage is already done. find out how long this back up is on highway. >>> when was the last time it was this cold? 1989, 1990, and 1972. moist words were set in 1972. we'll if we've set any -- we'll see if we've set any records yet -- coming up. >>> welcome back. 7:15. new this morning, president obama is on his way to south africa right now to attend the memorial service for nelson mandela. now, you watched it here live on the morning news about two hours ago. president obama and first lady michelle obama boarding air force one. now, also on air force one for the trip to south africa former president george w. bush, his wife, laura, and former secretary of state hillary clinton. former presidents jimmy carter and bill clinton will also be attending the memorial but they are travel